/*
 * Copyright 2000-2008 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jetbrains.tfsIntegration.core.tfs;

import com.intellij.openapi.vcs.FilePath;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.containers.DistinctRootsCollection;
import org.jetbrains.annotations.NotNull;

import java.util.Collection;

public abstract class RootsCollection<T> {

  public static class FilePathRootsCollection extends DistinctRootsCollection<FilePath> {

    public FilePathRootsCollection() {
    }

    public FilePathRootsCollection(final Collection<? extends FilePath> items) {
      super(items);
    }

    @Override
    protected boolean isAncestor(@NotNull FilePath parent, @NotNull FilePath child) {
      return child.isUnder(parent, false);
    }

  }

  public static class ItemPathRootsCollection extends DistinctRootsCollection<ItemPath> {

    public ItemPathRootsCollection() {
    }

    public ItemPathRootsCollection(final Collection<? extends ItemPath> items) {
      super(items);
    }

    @Override
    protected boolean isAncestor(@NotNull ItemPath parent, @NotNull ItemPath child) {
      return child.getLocalPath().isUnder(parent.getLocalPath(), false);
    }

  }

  public static class VirtualFileRootsCollection extends DistinctRootsCollection<VirtualFile> {

    public VirtualFileRootsCollection() {
    }

    public VirtualFileRootsCollection(final Collection<? extends VirtualFile> items) {
      super(items);
    }

    public VirtualFileRootsCollection(final VirtualFile[] items) {
      super(items);
    }

    @Override
    protected boolean isAncestor(@NotNull VirtualFile parent, @NotNull VirtualFile child) {
      return VfsUtilCore.isAncestor(parent, child, false);
    }

  }

}
